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Draw-lead type bushing (20kV/50~315A)

The transformer sleeve is the main insulating device outside the transformer box. The lead wire of the transformer winding must pass through the insulating sleeve to insulate the lead wire between the lead wire and the lead wire between the transformer shell, and to fix the lead wire at the same time.Due to different voltage levels, the insulation sleeve has pure porcelain sleeves, oil-filled sleeves and capacitive sleeves.Pure porcelain bushing is mostly used for transformers of 10kV and below. It is to wear a conductive copper rod in the porcelain bushing, and the inside of the porcelain bushing is air insulated.The oil-filled bushing is mainly used in the 35kV class transformer. It is oil-filled in the porcelain bushing. A conductive copper pole is worn in the porcelain bushing.Capacitive bushing is composed of main insulating capacitor core, outer insulating upper and lower porcelain parts, connecting sleeve, oil pillow, spring assembly, base, equalizing ball, measuring terminal, wiring terminal, rubber washer, insulating oil, etc.It is used in high voltage transformers above 100kV.

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Draw-lead Type Bushing

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Draw-lead type bushing outline dimensions(20kV/50~315A)

 

Sequence Number Code Model Dimensions Opening Arcing distance Creep distance Shield Weight
（kg）
H h2 h3 d1 d2 d0 h1
1 AM.BFA.001 BJL-20/50 365 268 65 115 6 65 182 380 3 single umbrella 2.8
2 AM.BFA.002 BJL-20/100 365 268 65 115 9 65 182 380 3 single umbrella 2.8
3 AM.BFA.003 BJL-20/250 365 268 65 115 12 65 182 380 3 single umbrella 2.8
4 AM.BFA.004 BJL-20/315 365 268 65 115 16 65 182 380 3 single umbrella 2.9
5 AM.BFA.005 BJL-20/50 375 278 65 115 6 65 192 430 4 single umbrella 3.2
6 AM.BFA.006 BJL-20/100 375 278 65 115 9 65 192 430 4 single umbrella 3.2
7 AM.BFA.007 BJL-20/250 375 278 65 115 12 65 192 430 4 single umbrella 3.2
8 AM.BFA.008 BJL-20/315 375 278 65 115 16 65 192 430 4 single umbrella 3.3
9 AM.BFA.009 BJL-20/50 343 246 60 100 6 65 165 480 6 single umbrella 2.8
10 AM.BFA.010 BJL-20/100 343 246 60 100 9 65 165 480 6 single umbrella 2.8
11 AM.BFA.011 BJL-20/250 343 246 60 100 12 65 165 480 6 single umbrella 2.8
12 AM.BFA.012 BJL-20/315 343 246 60 100 16 65 165 480 6 single umbrella 2.9
13 AM.BFA.013 BJLW-20/50 375 278 65 115 6 65 192 450 3 big 2 small 3.5
14 AM.BFA.014 BJLW-20/100 375 278 65 115 9 65 192 450 3 big 2 small 3.5
15 AM.BFA.015 BJLW-20/250 375 278 65 115 12 65 192 450 3 big 2 small 3.5
16 AM.BFA.016 BJLW-20/315 375 278 65 115 16 65 192 450 3 big 2 small 3.6
17 AM.BFA.029 BJL-20/50 371 274 60 100 6 65 193 550 7 single umbrella 3.1
18 AM.BFA.030 BJL-20/100 371 274 60 100 9 65 193 550 7 single umbrella 3.1
19 AM.BFA.031 BJL-20/250 371 274 60 100 12 65 193 550 7 single umbrella 3.1
20 AM.BFA.032 BJL-20/315 371 274 60 100 16 65 193 550 7 single umbrella 3.2

 

Note: add "N" after the model when using the built-in structure, add "P" after the model when choosing the pressure plate structure, and add "H" after the model when using butterfly type tablet

After the code, add "DZ" to represent the terminal, and "T" to represent the sheath. In addition, other specifications can be customized according to customer requirements.

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Draw-lead type bushing (20kV/50~630A)

Draw-lead type bushing (10kV/50~315A)

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Draw-lead type bushing (20kV/50~630A)

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Draw-lead type bushing (10kV/50~315A)

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